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Differential expression of antioxidant enzymes under arsenic stress in Enterobacter sp.

Jobby, Renitta; Shah, Kinjal LU ; Shah, Ruchi; Jha, Pamela and Desai, Nitin (2016) In Environmental Progress and Sustainable Energy 35(6). p.1642-1645
Abstract

Arsenic is a major contaminating heavy metal due to its frequent occurrence and toxicity. Out of different remediation approaches, bioremediation using bacteria has been extensively studied. In this study, 29 bacterial isolates were screened for their arsenic tolerance capacity. One of the isolate, MUM2 showed maximum arsenic tolerance (10mM). Antioxidant enzymes were assayed in this isolate under arsenic stress. Although, the CAT activity was found to increase significantly, the SOD activity showed a significant decrease under 9mM arsenic stress. The results obtained suggest a possible role of CAT in combating arsenic stress. Further studies at genetic level would help in developing highly tolerant strains for remediation of... (More)

Arsenic is a major contaminating heavy metal due to its frequent occurrence and toxicity. Out of different remediation approaches, bioremediation using bacteria has been extensively studied. In this study, 29 bacterial isolates were screened for their arsenic tolerance capacity. One of the isolate, MUM2 showed maximum arsenic tolerance (10mM). Antioxidant enzymes were assayed in this isolate under arsenic stress. Although, the CAT activity was found to increase significantly, the SOD activity showed a significant decrease under 9mM arsenic stress. The results obtained suggest a possible role of CAT in combating arsenic stress. Further studies at genetic level would help in developing highly tolerant strains for remediation of arsenic.

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Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
antioxidant enzymes, arsenic, bioremediation, enterobacter, heavy metals
in
Environmental Progress and Sustainable Energy
volume
35
issue
6
pages
4 pages
publisher
Whiley
external identifiers
  • scopus:84978419018
  • wos:000393419700012
ISSN
1944-7442
DOI
10.1002/ep.12406
language
English
LU publication?
yes
id
4f2cb77f-f345-47d2-94f9-20467514a710
date added to LUP
2016-12-05 14:20:51
date last changed
2017-09-18 11:30:16
@article{4f2cb77f-f345-47d2-94f9-20467514a710,
  abstract     = {<p>Arsenic is a major contaminating heavy metal due to its frequent occurrence and toxicity. Out of different remediation approaches, bioremediation using bacteria has been extensively studied. In this study, 29 bacterial isolates were screened for their arsenic tolerance capacity. One of the isolate, MUM2 showed maximum arsenic tolerance (10mM). Antioxidant enzymes were assayed in this isolate under arsenic stress. Although, the CAT activity was found to increase significantly, the SOD activity showed a significant decrease under 9mM arsenic stress. The results obtained suggest a possible role of CAT in combating arsenic stress. Further studies at genetic level would help in developing highly tolerant strains for remediation of arsenic.</p>},
  author       = {Jobby, Renitta and Shah, Kinjal and Shah, Ruchi and Jha, Pamela and Desai, Nitin},
  issn         = {1944-7442},
  keyword      = {antioxidant enzymes,arsenic,bioremediation,enterobacter,heavy metals},
  language     = {eng},
  month        = {11},
  number       = {6},
  pages        = {1642--1645},
  publisher    = {Whiley},
  series       = {Environmental Progress and Sustainable Energy},
  title        = {Differential expression of antioxidant enzymes under arsenic stress in Enterobacter sp.},
  url          = {http://dx.doi.org/10.1002/ep.12406},
  volume       = {35},
  year         = {2016},
}